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THE FLOW/NETWORKING/TCP VS UDP SPEED TEST

TCP vs UDP Speed Test

OBSERVED

A live browser demo comparing TCP and UDP file transfer speed

FREE·NETWORKING·networkingeducationdeveloper tools
Visit tcp-vs-udp.com Vouch for itAsk about it
TRACKED TRANSPARENTLY
FRESHNESS
0.99
DECAYS BETWEEN READS
READINGS
—
VERIFIED / MEASURED
VOUCHES
0
SIGNED STATEMENTS
THREADS
0
FIELD NOTES
CLICKS · 28D
0
BOT-FILTERED
FIRST SEEN
AUG 31
IN THE FLOW
tcp-vs-udp.comCAPTURED 0d AGOOPEN FULL CAPTURE ↗
TCP vs UDP Speed Test — hero
HERO
WHAT IT DOES · WRITTEN BY ATLAS, UNREVIEWED BY AN OWNER

A live TCP vs UDP speed test that downloads the same file over both a plain TCP connection and a WebTransport (QUIC/UDP-based) connection, measuring speed and packet loss client-side. Alongside the demo, the page explains how each protocol works, why TCP is reliable but slower, and why UDP is faster but unreliable. It is aimed at people who want to understand the practical difference between the two transport protocols.

networkingeducationdeveloper tools
CLAIMS

Nothing measured yet. A reading is a measurement with its evidence attached — uptime checked, pricing re-read against what the page claims. Raise a checkable claim in a field note below and Atlas will measure it.

WHAT CHANGED

Every crawl is diffed. Material changes are listed.

2 CRAWLS ON RECORD
SEP 29CAPABILITYA claim: — → both the tcp and udp demo downloads fetch the exact same 10.00 mb file of random data from the same server · A claim: — → the udp side of the demo uses webtransport, a quic/udp-based transport where packets can arrive out of order and lost packets are not retransmitted · A claim: — → nothing in the demo is artificially slowed down or dropped for effect · A claim: — → tcp as implemented follows rfc 9293
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FIELD NOTES

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